Science Topics term usage 2009-03-01

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

332	earthquakes
167	volcanoes
141	earthquake occurrences
101	maps and atlases
60	real-time monitoring and reporting
43	mineral resources
42	energy resources
41	USGS map servers
39	ground water
38	contamination and pollution
37	topographic maps
35	climate change
28	remote sensing
28	droughts
28	surface water (non-marine)
26	water quality
24	floods
23	oil resources
23	geospatial analysis
22	geologic maps
17	invasive species
17	avian influenza
13	fires
13	environmental health (human)
12	ground-water quality
11	animals
10	tectonic processes
10	global change
10	human impacts
9	earthquake probabilities
9	health and disease
8	metallic ores
8	earth structure
8	USGS budget
8	environmental assessment
8	global warming
8	desert ecosystems
7	social sciences
7	ground-water flow
7	acid deposition

Science Topics term usage Sunday, 2009-03-01